Science

Wednesday, 22 April 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Cosmos
There are about 200 trillion galaxies in the universe.
Each has a different composition and size. The largest galaxies can span up to 2 million light years.
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Deimos
An eclipse of Deimos by Mars' shadow occurs on average 110 times per Martian year. Such an eclipse can last up to 4 hours.
Due to the short distance at which Deimos orbits Mars, these eclipses are most often total.
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NASA
It is estimated that NASA has sent over 2000 animals into space.
Apart from "Ham the Astrochimp," the agency sent insects, rats, pigs, jellyfish, spiders, and rabbits.
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Aurora
The color of the aurora depends on the height at which the atoms are colliding, and the type of atom.
If the collision is with nitrogen, we see the color purple and maroon. Collision with oxygen gives g ...
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Aurora
In the language of the Sámi people (the native inhabitants of Lapland), the name of the aurora "guovssahasah" means "the sun shining in the sky in the morning or evening".
The Sámi people claimed that creating a song about the aurora borealis is dangerous and threatens to draw polar light on themselves, which bode inevitable death.
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Fungi
The fungus Ophiocordyceps unilateralis can take over ants.
Cordyceps species are parasitic fungi that live on animals - insect larvae or spiders - using them a ...
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Tears
Tears are made up of three layers.
Oily layer–smoothens the tear’s surface and prevents evaporation of other layers Mucous layer–allow ...
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Enceladus
The closest Cassini flyby over the surface of Enceladus took place in October 2015.
The probe, moving at a speed of 35.000 km/h, examined the composition of the material ejected by the geysers.
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Amber
It is a fossilized resin from ancient trees, often prized for its natural beauty and historical significance.
The oldest amber is approximately 320 million years old, making it a valuable window into prehistori ...
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NASA
The Space Shuttle program launched on April 12th, 1981, was the fourth crewed program in NASA's history.
It launched a total of 135 missions and was the first program to reuse a spacecraft. Its main goal w ...
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17 facts about Titan
17 facts about Titan
The largest of Saturn’s satellites
Titan is the only moon in the Solar System with such a dense atmosphere. It is the second largest moon in the Solar System after Ganymede (Jupiter III ...
18 facts about amber
18 facts about amber
Fossilized tree resin
Amber is one of the most interesting natural products. It looks like a gemstone, but it is a fossilized tree resin from ancient trees dating back mill ...
16 facts about liver
16 facts about liver
24/7 laboratory
The liver is one of the most essential human organs. It is extensively multitasking—it produces, filtrates, converts, and stores. It is thanks to the ...
29 facts about NASA
29 facts about NASA
For the Benefit of All
The Cold War, although a grim period in world history, brought an intense rivalry in a space race between the U.S., and the Soviet Union. As a result, ...
16 facts about Aurora
16 facts about Aurora
Northern light that has delighted people for centuries
Auroras can be different. Sometimes it is bright and dancing, shimmering with different colors, sometimes it appears still. It has always fascinated p ...
19 facts about Brain
19 facts about Brain
Organic supercomputer
The brain is one of the most important and most fascinating and complex organs in the human body. It is an incredibly plastic command center that over ...
16 facts about Phobos
16 facts about Phobos
The larger of two moons of Mars
We do not know the exact origin of this satellite. We know, however, that it is dangerously close to its planet and is in for a catastrophe. It is not ...
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